It is C. A description goes into the details about something, and an explanation is a statement that clarifies something, generally a question.
<span>The correct answer is: Atomic orbital
Explanation:
In the modern quantum-based atomic theory, an atomic orbital is a mathematical function that is used to explain the wave-like behavior of an electron in an atom. In other words, the space around the nucleus in which an electron moves is expressed by the atomic orbital. Hence, the correct answer is Atomic orbital.</span>
Forces are presented as straight arrows pointing in the direction they function on the body.
